H03G 3 - Gain control in amplifiers or frequency changers

Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162)
10/2011
10/20/2011	US20110256838 Methods for determining optimum power supply voltages for radio-frequency power amplifier circuitry
10/20/2011	US20110255712 Audio signal adjustment device and audio signal adjustment method
10/20/2011	US20110255711 Lighting and Audio Communication System
10/20/2011	US20110255701 Method for dynamically adjusting the spectral content of an audio signal
10/20/2011	US20110255699 Signal correction apparatus and signal correction method
10/20/2011	US20110255698 Programmable noise gate for audio amplifier employing a combination of low-noise and noise-rejecting analog and digital signal processing
10/19/2011	EP2378661A2 Dual mode power amplifier
10/19/2011	EP2136470B1 Automatic gain control circuit
10/19/2011	CN101507111B Multi-function passive frequency mixer
10/18/2011	US8041315 Method and a device for adjusting power amplifier properties
10/18/2011	US8041055 Method and apparatus for automatically adjusting reminder volume on a mobile communication device
10/18/2011	US8041046 Reverberation adjusting apparatus, reverberation adjusting method, reverberation adjusting program, recording medium on which the reverberation adjusting program is recorded, and sound field correcting system
10/18/2011	US8041045 Unnatural reverberation
10/18/2011	US8040186 Radio frequency amplifier circuit and mobile communication terminal using the same
10/18/2011	CA2386929C Amplifier stabilisation
10/13/2011	WO2011126525A1 Active mute scheme for an amplifier
10/13/2011	WO2011124053A1 Method for adjusting volume of power amplifier and system thereof
10/13/2011	WO2011098296A8 Process for performing cubic metric computation in the transmitter of a ue for a wireless communication system, and apparatus for performing the same
10/12/2011	EP2375569A2 Audio volume control
10/12/2011	EP1702420B1 Signal generation power management control system for portable communications device and method of using same
10/12/2011	EP1458160B1 Radio reception apparatus, signal processing timing control method, and signal processing timing control program
10/12/2011	CN101399524B Circuit arrangement and method for power regulation and amplifier arrangement
10/12/2011	CN101330279B Automatic gain control circuit, receiving apparatus and automatic gain control method
10/12/2011	CN101217828B A noise suppression device and method
10/11/2011	US8036767 System for extracting and changing the reverberant content of an audio input signal
10/11/2011	US8036400 Volume control apparatus and volume control program
10/11/2011	US8036395 Sound effects generation device, sound effects generation method, and computer program product
10/11/2011	US8036394 Audio bandwidth expansion
10/11/2011	US8036391 Automatic adjustments of audio alert characteristics of an alert device using ambient noise levels
10/11/2011	US8036301 Radio transmitter with reduced power consumption
10/11/2011	US8035074 Automatic gain control for motion encoder signals
10/06/2011	WO2011123694A1 Automatic gain control acquisition in time division duplex systems
10/06/2011	US20110246174 Method and system for situational language interpretation
10/06/2011	US20110243342 Sound Field Controller
10/06/2011	US20110241775 Power amplifying devices
10/05/2011	EP2372924A2 Apparatus and method for computing maximum power reduction for a UMTS signal
10/05/2011	EP2372907A2 Level adjustment device
10/05/2011	EP2372905A1 Efficiency-improved doherty amplifier arrangement
10/05/2011	EP2371060A1 An audio equipment and a control method thereof
10/05/2011	EP1451929B1 Method for determining the signal strength at the input of a tuner
10/05/2011	CN101662265B Volume drive-by-wire device and method thereof
10/04/2011	USRE42799 Packet acquisition and channel tracking for a wireless communication device configured in a zero intermediate frequency architecture
10/04/2011	US8032385 Method for correcting metadata affecting the playback loudness of audio information
10/04/2011	US8031880 Vehicle audio system surround modes
10/04/2011	US8031006 Method and apparatus for an LNA with high linearity and improved gain control
10/04/2011	US8031005 Amplifier supporting multiple gain modes
10/04/2011	US8030996 Apparatus and method for automatic level control
10/04/2011	US8030995 Power circuit used for an amplifier
10/04/2011	US8030568 Systems and methods for improving the similarity of the output volume between audio players
10/04/2011	US8028917 Adaptive optimizations for signal processing in imaging readers
09/2011
09/29/2011	WO2011119103A1 A gm-ratioed amplifier
09/29/2011	WO2011001433A3 A system and a method for providing sound signals
09/29/2011	US20110235825 Mixer
09/29/2011	US20110235815 Method and arrangement for audio signal processing
09/29/2011	US20110235813 Adapted Audio Masking
09/29/2011	US20110234313 Apparatus and Method for Operating Parameter-Dependent Gain Adjustment in Radio Devices
09/29/2011	DE112009002217T5 Automatische Verstärkungsregelung und DC-Offset-Kompensation Automatic gain control and DC offset compensation
09/29/2011	DE102010033528B3 Hörinstrument mit mechanischer und fernbedienbarer Lautstärkeverstellung Hearing device with mechanical and remote controlled volume adjustment
09/29/2011	DE102010003306A1 Device for use in radio of motor car for controlling volume of different audio signals of e.g. TV transmitter, has memory unit with volume control information used for controlling volume of selected audio signal during selection of signal
09/28/2011	EP2368320A2 Linear and polar dual mode transmitter circuit
09/28/2011	EP2368243A1 Systems and methods for improving the intelligibility of speech in a noisy environment
09/28/2011	EP2011233B1 Automatic switched gain amplifier for mobile reception
09/28/2011	CN1964187B A system, device and method to manage sound volume
09/28/2011	CN1929298B Audio frequency processing system and method
09/28/2011	CN1701520B Audio system with balance setting and method for controlling balance setting
09/28/2011	CN1536761B Tuner
09/28/2011	CN102201792A Automatic gain control circuit of audio power amplifier
09/28/2011	CN101789421B Semiconductor device
09/28/2011	CN101350605B Improved bipolar type variable gain amplifier with minimum gain control
09/28/2011	CN101026362B Hearing protection system, method and sound output device
09/27/2011	USRE42737 Voice-to-remaining audio (VRA) interactive hearing aid and auxiliary equipment
09/27/2011	US8027483 System and method for designing sound systems
09/27/2011	US8027482 DVD audio encoding using environmental audio tracks
09/22/2011	WO2011116196A1 Intensity noise reduction methods and apparatus for interferometric sensing and imaging systems
09/22/2011	WO2011116002A1 Method and apparatus for automatically reducing a volume level of an audio signal provided to a user
09/22/2011	WO2010133703A3 Method and system for providing hearing assistance to a user
09/22/2011	US20110228953 Automatic correction of loudness level in audio signals
09/22/2011	US20110228952 Power-saving amplifying device
09/22/2011	US20110228946 Comfort noise generation method and system
09/22/2011	US20110228816 Setting a transmission power level for a mobile unit
09/22/2011	US20110227654 Power amplifying apparatus and power amplifying method
09/22/2011	US20110227651 Programmable gain amplifier and transconductance compensation system
09/22/2011	CA2765416A1 Intensity noise reduction methods and apparatus for interferometric sensing and imaging systems
09/21/2011	EP2367287A2 Automatic correction of loudness level in audio signals
09/21/2011	EP2367286A1 Automatic correction of loudness level in audio signals
09/21/2011	CN201985821U Analog automatic power control circuit
09/21/2011	CN1988373B Device and method for controlling a voltage control signal
09/21/2011	CN1875547B Adaptive interference immunity control
09/21/2011	CN1742514B Audio output level setting method and device
09/21/2011	CN102195681A Demodulation signal gain control method and device and microcontroller
09/21/2011	CN102195659A Radio set, and frequency modulation (FM) volume control method and device thereof
09/21/2011	CN102195585A Automatic correction of loudness level in audio signals
09/21/2011	CN102195584A Automatic correction of loudness level in audio signals
09/21/2011	CN102195583A Device and method for controlling gain of transimpedance amplifier of lithium niobate (LiNbO3) modulator
09/21/2011	CN102195582A AGC (automatic gain control) method and device
09/21/2011	CN102195581A Method for adjusting volume of digital audio signal
09/21/2011	CN102195580A PGA (programmable gain amplifier) circuit and implementation method thereof
09/20/2011	US8023666 Voice input support program, voice input support device, and voice input support method
09/20/2011	US8023665 Microphone-tailored equalizing system
09/20/2011	US8023662 Reverberation adjusting apparatus, reverberation correcting method, and sound reproducing system

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